The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-181-8066, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Servo Instrument Corporation. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 — Resistor (FSG 59) |
| Manufacturers | Servo Instrument Corporation (CAGE 19176) |
| Parameter | Value |
|---|---|
| NSN | 5905-01-181-8066 |
| Primary Part Number | 12W1-1201 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Servo Instrument Corporation |
| Status | ACTIVE |
| Body Diameter | 0.750 INCHES MAXIMUM IN |
| Electrical Resistance Per Section | 2.500 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0620 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 SINGLE SECTION |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.1245 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 SINGLE SECTION |
| Mounting Method | FLANGE |
| Maximum Starting Torque | 0.20 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 0.7500 INCHES MAXIMUM IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Pilot Diameter | 0.6240 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Body Length | 0.688 INCHES NOMINAL IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 350.0 NOMINAL |
| Bearing Type | BEARING SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TURRET |
| Rotary Actuator Travel in Angular Deg | 360.0 NOMINAL |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 85.0 SINGLE SECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12W1-1201 PRIMARY | Servo Instrument Corporation (USA) |
NSN 5905-01-181-8066 is a Resistor,variable,wire Wound,pre, manufactured by Servo Instrument Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-181-8066 has 1 manufacturer part number on file: 12W1-1201 (Servo Instrument Corporation).
Key specifications for 12W1-1201: Body Diameter: 0.750 INCHES MAXIMUM IN; Electrical Resistance Per Section: 2.500 KILOHMS SINGLE SECTION; Mounting Lip Depth: 0.0620 INCHES NOMINAL IN; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.